South Korea: M15 Gimcheon 2 - Doubles - Main |
| 1/8-finals | Masabayashi T./Shin S. | Qariaqus D./Roberts H. | 2:0 (6:2, 6:2) | details | 25.11.2025 |
Malaysia: M15 Kuala Lumpur 2 - Doubles - Main |
| 1/8-finals | Chen Y. C./Masabayashi T. | Rifqi Fitriadi M./Rungkat C. | 0:2 (4:6, 1:6) | details | 19.11.2025 |
Malaysia: M15 Kuala Lumpur - Doubles - Main |
| Quarter-finals | Kawahashi Y./Masabayashi T. | Crowther C./Van Sambeek F. | 0:2 (3:6, 3:6) | details | 13.11.2025 |
| 1/8-finals | Kawahashi Y./Masabayashi T. | Ward F./Ward G. | 2:0 (6:4, 6:2) | details | 11.11.2025 |
China: M25 Qian Daohu - Doubles - Main |
| 1/8-finals | Tabata R./Wang K. | Hsieh C./Masabayashi T. | 2:0 (6:1, 6:2) | details | 28.10.2025 |
| 1/8-finals | Hongyu Y./Zhao L. | Hsieh C./Masabayashi T. | CAN. | details | 28.10.2025 |
China: M25 Huzhou - Doubles - Main |
| 1/8-finals | Forcano I./Tamm K. | Liu H./Masabayashi T. | 2:0 (6:3, 6:1) | details | 21.10.2025 |
Japan: M25 Takasaki - Doubles - Main |
| 1/8-finals | Masabayashi T./Sumizawa D. | Saitoh K./Yamanaka T. | 1:2 (2:6, 6:3, 7:10) | details | 16.09.2025 |
Thailand: M25 Nakhon Pathom - Doubles - Main |
| Final | Delaney Je./Vithoontien L. | Masabayashi T./Suksumrarn T. | 0:2 (62:7, 4:6) | details | 06.09.2025 |
| Semi-finals | Ann S./Lee J. M. | Masabayashi T./Suksumrarn T. | 1:2 (5:7, 6:2, 8:10) | details | 05.09.2025 |
| Quarter-finals | Chu S./Kim D. J. | Masabayashi T./Suksumrarn T. | 0:2 (65:7, 1:6) | details | 04.09.2025 |
| 1/8-finals | Koaykul K./Navasirisomboon J. | Masabayashi T./Suksumrarn T. | 0:2 (1:6, 5:7) | details | 02.09.2025 |
Thailand: M15 Nakhon Pathom 5 - Doubles - Main |
| Semi-finals | Masabayashi T./Vithoontien L. | Ganta S. K. R./Suksumrarn T. | 0:2 (2:6, 2:6) | details | 29.08.2025 |
| Quarter-finals | Masabayashi T./Vithoontien L. | Longwe-Smit T./Mehrotra A. | 2:1 (3:6, 6:3, 10:5) | details | 28.08.2025 |
| 1/8-finals | Masabayashi T./Vithoontien L. | Suttisomboon P./Thadpong K. | 2:0 (6:3, 6:3) | details | 27.08.2025 |
China: M15 Maanshan 6 - Doubles - Main |
| Quarter-finals | Chen X./Zheng B. | Masabayashi T./Sim S. | 2:1 (4:6, 6:4, 11:9) | details | 21.08.2025 |
| 1/8-finals | Huang R. N./Song Y. | Masabayashi T./Sim S. | 1:2 (6:3, 3:6, 3:10) | details | 20.08.2025 |
Thailand: M15 Nakhon Pathom 3 - Doubles - Main |
| Semi-finals | Charlton J./Masabayashi T. | Chung Y./Kwon S. | 0:2 (65:7, 2:6) | details | 01.08.2025 |
| Quarter-finals | Charlton J./Masabayashi T. | Congcar C./Nithithananont N. | 2:0 (6:2, 6:4) | details | 31.07.2025 |
| 1/8-finals | Charlton J./Masabayashi T. | Suttisomboon P./Thadpong K. | 2:0 (6:3, 6:4) | details | 30.07.2025 |
Thailand: M15 Nakhon Pathom 2 - Doubles - Main |
| Final | Ganta S. K. R./Masabayashi T. | Chung Y./Kwon S. | 0:2 (3:6, 3:6) | details | 26.07.2025 |
| Semi-finals | Charlton J./Delaney Je. | Ganta S. K. R./Masabayashi T. | 1:2 (1:6, 7:65, 8:10) | details | 26.07.2025 |
| Quarter-finals | Ganta S. K. R./Masabayashi T. | Koaykul K./Navasirisomboon J. | 2:0 (6:3, 6:1) | details | 25.07.2025 |
| 1/8-finals | Ganta S. K. R./Masabayashi T. | Auytayakul S./Samrej K. | WO. | details | 25.07.2025 |
Thailand: M15 Nakhon Pathom - Doubles - Main |
| Semi-finals | Ganta S. K. R./Masabayashi T. | Delaney Ja./Taguchi R. | 1:2 (6:3, 64:7, 5:10) | details | 18.07.2025 |
| Quarter-finals | Auytayakul S./Navasirisomboon J. | Ganta S. K. R./Masabayashi T. | 0:2 (1:6, 4:6) | details | 17.07.2025 |
| 1/8-finals | Habib A./Ianin N. | Ganta S. K. R./Masabayashi T. | 1:2 (7:65, 3:6, 9:11) | details | 16.07.2025 |
Japan: M15 Tokyo 2 - Doubles - Main |
| 1/8-finals | Oki Y./Tomida Y. | Masabayashi T./Shiraishi H. | 2:1 (4:6, 6:4, 10:4) | details | 08.07.2025 |
Japan: M15 Tokyo - Doubles - Main |
| 1/8-finals | Inui Y./Masabayashi T. | Ichikawa T./Noguchi M. | 0:2 (65:7, 2:6) | details | 01.07.2025 |
China: M15 Maanshan 3 - Doubles - Main |
| Final | Jeong Y./Masabayashi T. | Isomura K./Sueoka Y. | 2:1 (7:65, 2:6, 14:12) | details | 28.06.2025 |
| Semi-finals | Yang M./Zhang T. | Jeong Y./Masabayashi T. | 0:2 (3:6, 2:6) | details | 27.06.2025 |
| Quarter-finals | Jeong Y./Masabayashi T. | Hongyu Y./Pan W. | 2:1 (5:7, 6:1, 10:8) | details | 26.06.2025 |